The Maxxis High Roller II Tyre has anopen and aggressive tread design which gives the High Roller II excellent soil penetration and mud clearing ability. A square profile provides a solid, consistent feel across the knobs. Modified knobs on the shoulder and center improve braking performance and traction on hard surfaces. When gravity pulls you downhill, rely on the High Roller II to keep you upright.Maxxis High Roller II FeaturesOpen tread designImproved braking and tractionConditions: Loose Over Hard, Medium, Loose, WetCornering Control: 1 2 3 4Rolling Efficiency: 1 2 3 4Tyre SpecificationSize: 29 x 2.30"TPI: 60PSI: 60Bead: FoldingCompound: DualTech: EXOTubeless ReadyWeight: 890gTubeless ReadyTubeless tyres provide the rider with many benefits: the ability to run lower air pressures, which improves traction; lower rolling resistance when compared to a tube-type tyre; and less chance of flatting since there is no tube ... More info